MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fb8b22a773eb50d70b1f58a72dd7903aa7162b40b64326c0a9985027943e083. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 5fb8b22a773eb50d70b1f58a72dd7903aa7162b40b64326c0a9985027943e083
SHA3-384 hash: 2f0ee2885277a140c0a40debdae0d6019fa284abc925afdf7e674663a79d01a6ce286daa8d0ee478e188b6cd4e8090e9
SHA1 hash: 4a4cbdfef23519ea7026847dc5de9f4206fec323
MD5 hash: 17f1acf2ecaaf2236815954550cb4ef3
humanhash: missouri-johnny-eighteen-fourteen
File name:xx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'034'752 bytes
First seen:2021-04-16 12:16:26 UTC
Last seen:2021-04-16 12:48:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:6IKakRQRRRRRZXU1KTRWTpBOVXHXtAmAdZSs:6IKakRQRRRRRZXU1KMpBOVXHdAmAD
Threatray 4'699 similar samples on MalwareBazaar
TLSH 8D2512D53354AB2FC9EF3B78647C6322C3B0C5C9F763AA872DA971AD9D325425A00631
Reporter ankit_anubhav
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
xx.exe
Verdict:
Malicious activity
Analysis date:
2021-04-16 12:17:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/afffe8eb-9fb7-4d1a-8e97-cc6114ac922e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/136085/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.660.30835.19871.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/680661
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 389284 Sample: xx.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 41 www.4week-keto-results.com 2->41 43 target.clickfunnels.com 2->43 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 8 other signatures 2->57 11 xx.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\PysJauuERpy.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp5FCA.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\Local\...\xx.exe.log, ASCII 11->39 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 11->67 69 Tries to detect virtualization through RDTSC time measurements 11->69 15 xx.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 chinahousecoralville.com 137.117.64.85, 49717, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->45 47 www.dragonflyroad.com 52.58.78.16, 49730, 80 AMAZON-02US United States 20->47 49 www.chinahousecoralville.com 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 rundll32.exe 20->26         started        29 autochk.exe 20->29         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 31 cmd.exe 1 26->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5fb8b22a773eb50d70b1f58a72dd7903aa7162b40b64326c0a9985027943e083/
Threat name:
ByteCode-MSIL.Infostealer.Coins
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Status:
Malicious
First seen:
2021-04-16 12:17:08 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l64lektxh22q24fr6wfhfxlzaovhcyvubnsde3aktgcqe6kd4cbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
09f19a43e9a0b736e9fcd33359267340b91a2ccc376c8cda72fac9754c1493c0
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27084ca2efd9f211569b913d31d8caee75cb773e73367c3f6cd40a78889a1934
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6f8582beb15fc9d7978cf5664d99f426efc02d3c95aba21cf47520a16dc5a831
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720ffc99aa96c665aae27db46f776476c37ca113db207790579adfd81c73ad05
Formbook
800057538448120a90c2abb139e7e48066a61ab05651aa28f608c7c79c676c2f
Formbook
91e13d173fb96f025e17161b61686fa06272a048eececeb7d4e95ecdcb3de4b8
Formbook
9f38ade8e53d28eef33a81e0559b92b44fa878ae9b61fadd3bb245d33486e2c0
Formbook
d69345d398849a377103e09925aca369a6ee8fdaca08745d3bbb02aa79eb2861
Formbook
db7cb519bc8b17b64fabba1b7bfbab67ceafe8679ee73d9d64ba570eba6ea977
Formbook
+ 4'689 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210416-sw93xkqeb2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.unitedfootballcamps.com/bf3/
Unpacked files
SH256 hash:
e33b0d0b4b86f0dbb3d1278e68e88a650e5f3350694efb70be313761197b1969
MD5 hash:
471161f6f24e5d26b2db3e0ee18e80b5
SHA1 hash:
ed98f1178a5fe4b86fe0f7e4cd5ebbfba7483a30
Link:
https://www.unpac.me/results/f4caf71a-e238-4ff4-96c5-6183bceb8413/
SH256 hash:
5fb8b22a773eb50d70b1f58a72dd7903aa7162b40b64326c0a9985027943e083
MD5 hash:
17f1acf2ecaaf2236815954550cb4ef3
SHA1 hash:
4a4cbdfef23519ea7026847dc5de9f4206fec323
Link:
https://www.unpac.me/results/f4caf71a-e238-4ff4-96c5-6183bceb8413/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5fb8b22a773eb50d70b1f58a72dd7903aa7162b40b64326c0a9985027943e083

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/136085/

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